mt76: mac: run mt76x02_mac_work routine atomically (4989338e) · Commits · 戴 / test

Grab mt76_dev mutex in mt76x02_mac_work handler since it runs concurrently with mt76x{0,2}_set_channel routines Signed-off-by:

drivers/net/wireless/mediatek/mt76/mt76x02_mac.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -784,6 +784,8 @@ void mt76x02_mac_work(struct work_struct *work)
		mac_work.work);
		int i, idx;

		mutex_lock(&dev->mt76.mutex);

		mt76x02_update_channel(&dev->mt76);
		for (i = 0, idx = 0; i < 16; i++) {
		u32 val = mt76_rr(dev, MT_TX_AGG_CNT(i));
		@@ -796,6 +798,8 @@ void mt76x02_mac_work(struct work_struct *work)
		if (!dev->beacon_mask)
		mt76x02_check_mac_err(dev);

		mutex_unlock(&dev->mt76.mutex);

		mt76_tx_status_check(&dev->mt76, NULL, false);

		ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work,